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[Discuss-gnuradio] gnu Radio and Mode S (1090 MHz)

From: Andrew Rich
Subject: [Discuss-gnuradio] gnu Radio and Mode S (1090 MHz)
Date: Wed, 17 Mar 2010 05:58:40 +1000

Sorry if this is a duplicate.
I am using my digital scope to capture data and pipe it to a flat file where I can look at it in LINUX (gdsh USB and perl)
I am attempting to decode 1090 MHz transponder signals.
I know what I am looking for. ( I do this for a job)
I am on the hunt for better hardware and software to do the job under LINUX.
I simply need a faster better capture soluition that will allow me to up the through put of my signal analysis.
Can someone suggest ? I see some work has already been done on gnu-radio in this area.
At the moment I am processing csv capture files from the scope.But it takes seconds to grab the data from the scope.
Does gnu-radio have a module or code that would let me sample and save ? I can do the rest. Maybe a scope function ? samples vs time.
The data rate is 1 MHz for Mode S.
I have the 1090 MHz receiver, actually got 2. SBS-1 with video out (0-2Volts)
Here are some captures I have done so far.
Would the USRP and some LINUX code help me out ?
I can program, in perl, python should not be too hard to grasp. C, so so .
Here is my website
Andrew Rich VK4TEC

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